Jonathon is a moderately popular boys' name in United States, ranking #226 in 2000 with 1,499 recorded births. The name reached its all-time peak in 1996 with 1,972 births ranking #171. Since 1996, the popularity has decreased by 24.0%. In 2000, approximately 1 in every 1,310 boys born was named Jonathon. FALLING Recent data shows the name is currently falling.